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<h1><a href="spanner_v1.html">Cloud Spanner API</a> . <a href="spanner_v1.projects.html">projects</a> . <a href="spanner_v1.projects.instances.html">instances</a> . <a href="spanner_v1.projects.instances.databases.html">databases</a> . <a href="spanner_v1.projects.instances.databases.databaseRoles.html">databaseRoles</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
  <code><a href="#close">close()</a></code></p>
<p class="firstline">Close httplib2 connections.</p>
<p class="toc_element">
  <code><a href="#list">list(parent, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
<p class="firstline">Lists Cloud Spanner database roles.</p>
<p class="toc_element">
  <code><a href="#list_next">list_next()</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
  <code><a href="#testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Returns permissions that the caller has on the specified database or backup resource. Attempting this RPC on a non-existent Cloud Spanner database will result in a NOT_FOUND error if the user has `spanner.databases.list` permission on the containing Cloud Spanner instance. Otherwise returns an empty set of permissions. Calling this method on a backup that does not exist will result in a NOT_FOUND error if the user has `spanner.backups.list` permission on the containing instance. Calling this method on a backup schedule that does not exist will result in a NOT_FOUND error if the user has `spanner.backupSchedules.list` permission on the containing database.</p>
<h3>Method Details</h3>
<div class="method">
    <code class="details" id="close">close()</code>
  <pre>Close httplib2 connections.</pre>
</div>

<div class="method">
    <code class="details" id="list">list(parent, pageSize=None, pageToken=None, x__xgafv=None)</code>
  <pre>Lists Cloud Spanner database roles.

Args:
  parent: string, Required. The database whose roles should be listed. Values are of the form `projects//instances//databases/`. (required)
  pageSize: integer, Number of database roles to be returned in the response. If 0 or less, defaults to the server&#x27;s maximum allowed page size.
  pageToken: string, If non-empty, `page_token` should contain a next_page_token from a previous ListDatabaseRolesResponse.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # The response for ListDatabaseRoles.
  &quot;databaseRoles&quot;: [ # Database roles that matched the request.
    { # A Cloud Spanner database role.
      &quot;name&quot;: &quot;A String&quot;, # Required. The name of the database role. Values are of the form `projects//instances//databases//databaseRoles/` where `` is as specified in the `CREATE ROLE` DDL statement.
    },
  ],
  &quot;nextPageToken&quot;: &quot;A String&quot;, # `next_page_token` can be sent in a subsequent ListDatabaseRoles call to fetch more of the matching roles.
}</pre>
</div>

<div class="method">
    <code class="details" id="list_next">list_next()</code>
  <pre>Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call &#x27;execute()&#x27; on to request the next
          page. Returns None if there are no more items in the collection.
        </pre>
</div>

<div class="method">
    <code class="details" id="testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</code>
  <pre>Returns permissions that the caller has on the specified database or backup resource. Attempting this RPC on a non-existent Cloud Spanner database will result in a NOT_FOUND error if the user has `spanner.databases.list` permission on the containing Cloud Spanner instance. Otherwise returns an empty set of permissions. Calling this method on a backup that does not exist will result in a NOT_FOUND error if the user has `spanner.backups.list` permission on the containing instance. Calling this method on a backup schedule that does not exist will result in a NOT_FOUND error if the user has `spanner.backupSchedules.list` permission on the containing database.

Args:
  resource: string, REQUIRED: The Cloud Spanner resource for which permissions are being tested. The format is `projects//instances/` for instance resources and `projects//instances//databases/` for database resources. (required)
  body: object, The request body.
    The object takes the form of:

{ # Request message for `TestIamPermissions` method.
  &quot;permissions&quot;: [ # REQUIRED: The set of permissions to check for &#x27;resource&#x27;. Permissions with wildcards (such as &#x27;*&#x27;, &#x27;spanner.*&#x27;, &#x27;spanner.instances.*&#x27;) are not allowed.
    &quot;A String&quot;,
  ],
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Response message for `TestIamPermissions` method.
  &quot;permissions&quot;: [ # A subset of `TestPermissionsRequest.permissions` that the caller is allowed.
    &quot;A String&quot;,
  ],
}</pre>
</div>

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